Huawei CloudCampus AP4051TN Access Point

Huawei AP4051TN is a new generation access point (AP) that supports 802.11ac Wave 2 and has three radios: one 2.4 GHz radio and two 5 GHz radios. The 2.4 GHz radio supports 2×2 MIMO and two spatial streams; one 5 GHz radio supports 2×2 MIMO and two spatial streams; and the other 5 GHz radio supports 4×4 MIMO and four spatial streams. It provides comprehensive service support capabilities and features high reliability, high security, simple network deployment, automatic AC discovery and configuration, and real-time management and maintenance, which meet network deployment requirements. The AP complies with 802.11n and 802.11ac and can provide gigabit access for wireless users, greatly improving wireless network experience. The AP is applicable to e-classrooms, shopping malls, and supermarkets.

The AP4051TN supports the following latest technologies.

SmartRadio: Intelligent Dynamic Frequency Adjustment

Adjacent-channel and co-channel signal interference can be automatically detected. The working frequency band, radios (dual-5G or 5G+2.4G radios), channels, transmit power, and bandwidth of APs can be dynamically adjusted and optimized to reduce interference on the 2.4 GHz band in scenarios where APs are densely deployed. The advantages of the 5 GHz band can be better leveraged to enable self-optimization of WLANs and improve user experience on congested frequency bands. After frequency adjustment, the network capacity (throughput) can increase by more than 30%.

SmartRadio: Intelligent Roaming and Load Balancing

The traditional air interface load-balancing algorithm enables network load balancing only after initial access of STAs. For STA roaming scenarios, Huawei applies the intelligent roaming and load-balancing algorithm to identify sticky STAs that associate with remote APs and have poor user experience. With the Huawei system, APs communicate and negotiate with each other, and automatically steer users to neighboring APs. This technique optimizes the experience of 80% of STAs that exhibit weak signal coverage during roaming.

SmartRadio: Intelligent Conflict Optimization

The air interface resource usage may be low due to random channel contention and preemption of a single AP. This can happen during audio and video traffic bursts, when the air interface may be congested because of a random fixed window, which deteriorates user experience. Huawei’s exclusive intelligent conflict optimization algorithm proactively identifies audio and video applications to detect potential conflicts based on the number of access users. The backoff duration (sliding window size) can then be automatically adjusted when STAs encounter conflicts. This algorithm improves the utilization of air interface resources and enhances the experience of each user by 15% compared with mainstream optimization algorithms used in the industry.

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